Electrical Engineering Department, University of Engineering and Technology (UET), Lahore

Abstract:

This seminar was conducted to familiarise the members with the Internet in general and special emphasis was laid upon the world wide web. In this lecture the emphasis was on what the internet as a whole is about and also the significance of the World Wide Web. Gist of the Seminar: It was also discussed that why the development of the WWW has resulted in a phenomenal growth in the usage of the Internet. In this particular lecture it was also discussed that what are the differences between standard network and the Internet. The following topics were covered in detail in this particular seminar:

Electrical Engineering Department, University of Engineering and Technology (UET), Lahore

Abstract:

The following topics were covered in these two lectures: the importance of materials in human civilization, the relationship between the properties and the micro and macrostructures, the classification of materials on the basis of their properties, electronic materials and their diversity resistivity, resistance, conductivity and conductance metallic bonding free electron model of conduction in metals (qualitative) - the Drude's Model, drift velocity, difference between classical and quantum mechanics, energy band theory, energy band diagrams, and the conventions followed in drawing them, energy level treatment of insulators and conductors, introduction to semiconductors and their types, the purity threshold of a semiconductor, covalent bonding in semiconductors, hole and electron - recombination and generation, physical models for conduction in intrinsic and extrinsic semiconductors, energy level treatment of intrinsic and extrinsic semiconductors, and fermi level were covered in the talk.